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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/LBO/1/79" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy extract of a letter from Christian Huygens, of the Hague, to Robert Moray</dc:title>
  <dc:description>Concerning 'a new Instrument for Grinding of glasses; a Patent for sea watches; New charrets [chariots] ; an universall measure; an Engin to measure the descent of heavy bodys, the Table for Equation of dayes; Thermometers; Observations of a Comet'</dc:description>
  <dc:date>2 January 1665</dc:date>
</rdf:Description>